Contact Us

Before contacting our customer support team, we strongly recommend that you first review our knowledgebase articles or the product documentation.

Encrypted Email Recipients
Recipients of encrypted email that need assistance should contact the sending entities support group.This support contact information is provided on the portal login page.

ZixMail Non-Corporate Customers
To open a ticket please email Please allow up to 6 business hours for email responses.

ZixGateway, ZixOne and ZixMail Corporate Customers
Corporate customer administrators may contact Zix by phone, email or through our support portal.Our support number is 888-576-4949.
Our support business hours are from 7 am CT to 7 pm CT.  Corporate customers may request emergency phone assistance outside normal business hours.

Note: Zix customer support will not accept customer sensitive information (credit card numbers, personal health information, etc.) in support requests. Email requests that contain customer sensitive information will be blocked and bounced back to the originator.